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<?php
namespace Del\Image\Strategy;
class PngStrategy implements ImageTypeStrategyInterface
{
/**
* @param string $filename
* @return resource
*/
public function create($filename)
return imagecreatefrompng($filename);
}
* @param resource $resource
* @param int $compression
* @return void
public function save($resource, $filename, $compression)
unset($compression);
imagepng($resource, $filename);
* @return string
public function getContentType()
return 'image/png';